<html lang="zh-CN">
  <head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <title>client demo</title>
  </head>
  <body>
    <h1>client demo</h1>
    <script src="client.js"></script>
    <script>
      var client = new MyClient({
        notify: function(data) {
          alert(data);
        }
      });
    </script>
  </body>
</html>